Important objects can be highlighted in a picture by blurring the background, cutting out the subject, removing the color from unimportant areas, or adding color to important features. An example of the last variation is Schindler’s List [1], filmed by Steven Spielberg entirely in black and white, except for one scene showing a child wearing a bright red coat in the otherwise monochrome shot. A similar technique was used in the film Pleasantville [2] by removing color, then adding it back in selectively.

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